HOSA Dental Terminology Practice

What does a pit and fissure sealant do once placed on a tooth?

1. Improves the aesthetics of the tooth

2. Creates an even, hard acrylic coating

3. Restores the tooth's original shape

4. Strengthens the tooth roots

The correct answer is: Creates an even, hard acrylic coating

A pit and fissure sealant serves a specific preventative function in dentistry. When applied to the grooves and fissures of the chewing surfaces of teeth, particularly molars and premolars, the sealant creates a physical barrier that protects these vulnerable areas from decay. The process involves using a liquid resin that flows into the pits and fissures and hardens into a strong, durable coating. This hardening not only seals the grooves but also provides a smooth surface that is easier to clean, thereby reducing the risk of plaque accumulation and cavity formation. The focus on creating an even, hard coating is essential since it helps to prevent food particles and bacteria from becoming lodged in these natural depressions where they can cause decay. By enhancing the structural integrity of the tooth’s surface in this manner, pit and fissure sealants play a critical role in maintaining dental health, especially in younger patients who may be more susceptible to cavities. While improving aesthetics, restoring shape, or strengthening roots may have their own importance in dental procedures, they do not accurately describe the primary purpose and function of pit and fissure sealants in preventive care.